#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
int main() 
{
	/*char  ch = '\0';
	while ((ch = getchar()) != EOF)
	{
		if (ch < '0' || ch>'9')
			continue;
		putchar((ch));
	}*/



	/*int i = 1;
	while(i <= 10)
	{
		printf("%d\n",i);
		i++;
	
	}*/

	/*int num = 0;
	while (num <= 100)
	{
		if (num % 2 == 1)
		{
			printf("%d\n",num);

		}
		num++;



	}*/

	//int n = 0;
	////scanf("%d ",&n);
	//int i = 0;
	//int ret = 1;
	//int sum = 0;
	//for (n = 1; n <= 3; n++)

	//{
	//	ret = 1;
	//	for (i = 1; i <= n; i++)
	//	{
	//		ret = ret * i;	
	//	}
	//	sum = sum + i;
	//}
	//
	//printf("%d\n",sum);

	char arr1[] = {"welcome to bit!"};
	char arr2[] = {"***************"};
	int left = 0;
	int right = strlen(arr1) - 1;
	while (left<=right)
	{
		arr2[left] = arr1[left];
		arr2[right] = arr1[right];
		printf("%s\n", arr2);
		left++;
		right--;
		
	}
	

	return 0;
}